Question

Which one of the following is not an alcohol?
A) acetone
B) glycerol
C) ethanol
D) cholesterol
E) ethylene glycol

Answer 1

Answer:

I think it's b because I heard the others

Answer 2

The correct answer is option A: acetone.

For a substance to be classified as an alcohol it must posses the -OH functional group. Compounds that posses this -OH functional group usually have the ending -ol.

Acetone is a ketone, this is evidenced by the ending -one. It has the functional group -C=O.

Hence, acetone is not alcohol. The structure of acetone is shown in the image attached.

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